DK3326235T3 - LEADING COATET WINDOW PANEL, ESPECIALLY FOR SKIN VEHICLES - Google Patents

LEADING COATET WINDOW PANEL, ESPECIALLY FOR SKIN VEHICLES Download PDF

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Publication number
DK3326235T3
DK3326235T3 DK16782206.3T DK16782206T DK3326235T3 DK 3326235 T3 DK3326235 T3 DK 3326235T3 DK 16782206 T DK16782206 T DK 16782206T DK 3326235 T3 DK3326235 T3 DK 3326235T3
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DK
Denmark
Prior art keywords
vehicle
window pane
coating
coated
signals
Prior art date
Application number
DK16782206.3T
Other languages
Danish (da)
Inventor
Lukas Walter Mayer
Andreas Demmer
Mehrdad Madjdi
Original Assignee
Siemens Ag Oesterreich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Ag Oesterreich filed Critical Siemens Ag Oesterreich
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Publication of DK3326235T3 publication Critical patent/DK3326235T3/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3283—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle side-mounted antennas, e.g. bumper-mounted, door-mounted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2291—Supports; Mounting means by structural association with other equipment or articles used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Details Of Aerials (AREA)
  • Surface Treatment Of Glass (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)

Description

Description
Technical field
The present invention relates to a coated window pane, in particular for rail vehicles, wherein the coating is made in a structured and electrically conductive form and has filtering characteristics for radio signals.
Prior art
In vehicles, such as, for example, rail vehicles for passenger transport, availability of current communication services such as mobile voice communications, mobile data communications, etc. on the basis of, for example GSM, UMTS and LTE, is increasingly being demanded. Therefore, an optimum reception level and a corresponding reception quality are also demanded in vehicles, particularly public transport such as trains, trams, etc.
One obstacle to a good reception are conductively coated window panes in these vehicles. The coating is used for heat and sun shielding. However, it is not just heat radiation or the sun's rays that are reflected by the coating of the window panes, but also other electromagnetic waves such as electromagnetic waves for mobile communication services of radio communication equipment.
The vehicle therefore has a high transmission loss for electromagnetic waves and acts like a Faraday cage. For example, the attenuation is approximately 30 dB in the case of the Intercity Express or ICE. Shielding is therefore about 99.9% .
Instead of dispensing with or a reduction in the coating, and therefore a reduction or removal of the heat and sun protection, what are referred to as in-train repeaters are known from the prior art, such as from http://de.wikipedia.org/wiki/Intrain-Repeater for overcoming the transmission loss. In-train repeaters are intended to improve communication between a mobile terminal (for example mobile phone, tablet PC, Smartphone, etc.) and radio communication equipment, which is located outside the vehicle (for example mobile network, etc.), and enable an optimally interference-free communication link.
Without an in-train repeater, interference-free use of mobile communications services or an interference-free connection without dropouts would be possible only in those areas that have a sufficiently high field strength to overcome the shielding of vehicles such as of modern passenger trains. This is conventionally the case in urban areas and in railway stations. Especially in rural areas, radio communication equipment, such as mobile networks based on GSM or UMTS standards, are not as strong or densely developed. Consequently, a supply or corresponding connection to the radio communication equipment of vehicles or individual carriages is not always guaranteed without in-train repeaters.
From document DE 195 03 892 Cl or from document EP 2 586 610 Al for example window panes for use in vehicles (for example, motor vehicles, etc.) are known, through which the reception level for mobile terminals (for example, mobile phones, etc.) in the interior of a vehicle is increased - even without the use of a repeater. These window panes are provided with an electrically conductive, transparent layer. The conductive layer is applied and structured, for example, by means of vapour deposition onto the pane. Structuring of the layer is formed such that radio signals in particular frequency ranges can pass optimally unhindered.
To be able to provide communication services, in particular mobile data services, in vehicles such as the Deutsche Bahn ICE or the Austrian Federal Railways Railjet, etc., wireless internet access is currently available for example in these vehicles. For this purpose, for example the vehicle or the train is fitted with Wireless Local Area Network or WLAN technology (WLAN hotspots, which are connected to the Internet via a server and the land mobile radio stations), so the mobile data services or wireless Internet is available in all carriages of the train. However, signals from radio communication equipment that is outside the vehicle and use the same frequency range, can disrupt the communication quality of the WLAN connection inside the vehicle.
Furthermore, communications services offered for example in a vehicle which, for example, are offered to passengers for free, could also be used from outside the vehicle. In addition, radio communication equipment outside the vehicle can also be disrupted by the radio signals of the radio communication systems provided in the vehicle. A vehicle pane with a transparent, electrically conductive coating and lower transmission loss for electromagnetic radiation in the high frequency range is known from WO 2014/060203. A combination of two annular coatings for adapting the filtering characteristics is known from R.R. Xu et al: "Dual-band capacitive loaded frequency selective surfaces with close band spacing", IEEE Microwave Wireless Components Letters., vol. 18, no. 12, pp. 782-784, Dec. 2008 (XP011238889).
From WO 2014/166869 a coated window pane is known in which the coating is formed so as to be frequency selective. The coating has a filtering characteristic in such a way that signals or frequency ranges of signals from and to radio communication systems, which are arranged outside the vehicle, are allowed to pass through, and that signals or frequency ranges of signals from and to radio communication equipment, which is arranged inside the vehicle, are blocked or very strongly attenuated.
For this purpose, the coating has a structuring with structural elements.
Summary of the Invention
The invention is based on the object of developing the prior art.
The solution to this object is achieved with a coated window pane according to claim 1.
Advantageous embodiments result from the subclaims.
Brief Description of the Drawings
The invention is illustrated in more detail with reference to two figures. By way of example and schematically:
Fig. 1 shows the structure of the coating of an inventive window pane based on a rectangular grating, and Fig. 2 shows the structure of the coating of an inventive window pane based on a hexagonal grating.
Embodiment of the invention
Fig. 1 shows schematically and exemplarily a section of an inventive conductively coated window pane, which can advantageously be used in vehicles such as rail vehicles, but also in windows of fixed objects. The window pane has an electrically conductive and largely transparent coating, which is frequency selective because of its inventive structuring, in other words that it has a high permeability for radio signals of a particular frequency band and attenuates radio signals with a different frequency.
The coating is made, for example, with metals or metal oxides, but other materials are also conceivable.
By suitable design of the structuring of the coating the window pane allows on the one hand signals from and to radio communication equipment, such as mobile networks to the GSM, UMTS or LTE standard or possibly also signals from GSM-R networks, DVB-T, VHF radio waves or BOS radio systems, such as TETRA, to pass through. On the other hand, signals from and to radio communication equipment, such as wireless LAN, are blocked.
According to the invention, the coating has the structure of a conductive periodic grating RG, HG, in the intermediate spaces of which at least two annular coatings R are respectively embedded, and wherein the at least two annular coatings R are respectively filled by a coated area F and the grating RG, HG, the annular coatings R and the coated areas F are separated by insulating regions.
In the exemplary embodiment according to Fig. 1, the periodic grating is constructed as a rectangular grating RG. Each rectangle has a square shape and includes four likewise square annular coatings R, each of which encloses a square area F.
It should be noted that the term ring, or annular coating R, includes not only circular shapes but also a closed polygon that encloses a square in the concrete exemplary embodiment, but in other possible embodiments can also have for example the shape of a triangle, hexagon or a diamond.
Furthermore, a ring can have different widths, in other words it is then defined by an inner and outer closed polygon, which can have different shapes. For example, the inner polygon of a ring could be square; the outer polygon could, by contrast, be hexagonal, etc.
The rectangular grating RG, the annular coatings R in the form of a closed square polygon and the coated areas F are separated by insulating regions I. In the figure, the insulating regions I are represented by the black lines, while the light regions represent the coatings.
Structures are also conceivable in which yet more rings are embedded within the first rings R. The respective innermost ring is then filled by a coated, for example metallised area F.
Fig. 2 shows an exemplary embodiment, wherein the periodic grating is constructed as a hexagonal grating HG. In the exemplary embodiment each hexagon comprises three diamondshaped polygons as rings R, each of which encloses a, for example, diamond-shaped, coated, for example metallised, area F.
The geometry of a structure for a particular application with predefined radio properties of the coated window pane, generally a frequency transmission characteristic, can be determined by way of field simulation with knowledge of the pane construction used, the data of the coating, generally a surface resistance and line widths, which are visually still acceptable and are feasible in terms of engineering technology.
Typical output data is for example:
The frequency characteristic: transmission range for example between 700 MHz and 2.7 GHz (for LTE, GSM, and UMTS frequencies) with attenuation less than 10 dB. Stopband for example between 5.2 and 5.8 GHz (for WLAN/WiFi) with attenuation greater than 20 dB.
The angle dependency: The required frequency characteristic is retained for an incident angle range from -45° to + 45° over all spatial directions.
The pane construction: glass thickness of the inner and outer panes between 3 mm and 10 mm with a relative dielectric constant of 4 to 8. The panes can be singlelayer (SL) or multiple layer (ML) and contain layers of plastics material (for example, sheets of PVB). Plastics material can be used instead of glass, whereby the dielectric constant is typically lowered. The gap size between the glass elements is typically 8 to 20 mm. The panes can be curved or flat.
Structuring: Structuring of the coating with gaps smaller than about 0.5 mm is typical and reduces the visual perceptibility.
The inventive structure of the coating allows good transmission properties at low frequencies and a stopband at high frequencies.
The more annular elements R are inserted inside the grating intermediate spaces, the smaller these elements are and the higher the blocking frequency. The ratio of the high blocking frequency and the low lowest transmission frequency can be chosen, for example, at approx. 8. Consequently, a passband above 700 MHz and a stopband at 5.5 GHz can be achieved. Relative 3dB bandwidths of the transmission range of over 100% can be achieved.
Therefore, the number and design of the annular elements R inside the grating intermediate spaces is of particular importance for the design of the filtering characteristics. They offer the possibility of adapting the filtering characteristics of the window panes in a particularly advantageous manner to very different conditions.
To allow the lowest transmission frequency to still pass, the grating RG, HG must be made so large that the mesh size is about one quarter of the wavelength. It is not the free wavelength that is used here, but the effective wavelength, which is reduced by the influence of the glass elements.
The surface elements F inside the rings R are selected in terms of their size such that at the blocking frequency they self-resonate, in other words are about half the effective wavelength.
Different sizes and shapes of surface elements F, which are in the grating intermediate space, can be chosen in order to achieve fine forming of the blocking characteristics.
The rings (polygons) R fulfil the purpose of reducing the reciprocal influencing of gratings RG, HG and surface elements F. They reduce the attenuation in the transmission range which upwardly adjoins the minimum transmission frequency. The high relative bandwidths in the transmission range are possible only due to the rings R.
The coating of the window panes can also be provided with a fine structure, by which the properties in the visual and thermal sphere are changed. For example, the appearance of the window panes can also be appropriately designed by means of the fine structure. For example, appealing structure patterns, shapes, lettering, logos, etc. can be implemented.
In a vehicle, the coated window panes can be arranged distributed over the sides of the vehicle. In this way, the reception conditions for radio communication equipment arranged outside the vehicle as well as for radio communication equipment arranged inside the vehicle are purposely designed in the context of the attained frequency-selective transmission characteristic.
Similarly, the inventive window panes can also be used in other vehicles (for example buses, etc.) and in buildings having coated windows .
List of reference characters RG Rectangular grating HG Hexagonal grating R Annular coating (polygons) I Insulating regions F Coated areas

Claims (9)

1. Ledende coatet vinduesrude, især til skinnekøretøjer, hvor coatingen er udført struktureret og elektrisk ledende og har en filterkarakteristik til radiosignaler, kendetegnet ved, at coatingen har strukturen af et ledende periodisk gitter (RG, HG), i hvis mellemrum der er integreret respektivt mindst to ringlignende coatinger (R), at de mindst to ringlignende coatinger (R) er respektivt udfyldt af en coatet flade (F), og at gitteret (RG, HG), de ringlignende coatinger (R) og de coatede flader (F) er adskilt af isolerende områder (I).1. Conductive coated window pane, in particular for rail vehicles, in which the coating is structured and electrically conductive and has a filter characteristic for radio signals, characterized in that the coating has the structure of a conductive periodic grid (RG, HG) in whose intervals are integrated respectively at least two ring-like coatings (R), that the at least two ring-like coatings (R) are respectively filled by a coated surface (F), and that the grating (RG, HG), the ring-like coatings (R) and the coated surfaces (F) are separated by insulating areas (I). 2. Vinduesrude ifølge krav 1, kendetegnet ved, at der er tilvejebragt en metallisering som coating.Window pane according to claim 1, characterized in that a metallization is provided as a coating. 3. Vinduesrude ifølge krav 1 eller 2, kendetegnet ved, at det ledende periodiske gitter har formen af et rektangulært gitter (RG).Window pane according to claim 1 or 2, characterized in that the conductive periodic grid is in the form of a rectangular grid (RG). 4. Vinduesrude ifølge krav 1 eller 2, kendetegnet ved, at det ledende periodiske gitter har formen af et heksagonalt gitter (HG).Window pane according to claim 1 or 2, characterized in that the conductive periodic grid is in the form of a hexagonal grid (HG). 5. Vinduesrude ifølge et af kravene 1 til 4, kendetegnet ved, at coatingen endvidere er forsynet med en finstruktur.Window pane according to one of claims 1 to 4, characterized in that the coating is furthermore provided with a fine structure. 6. Vinduesrude ifølge et af kravene 1 til 5, kendetegnet ved, at et såkaldt Wireless Local Area Network eller WLAN kan anvendes som radiokommunikationsindretning, der er anbragt i køretøjets indvendige rum.Window pane according to one of claims 1 to 5, characterized in that a so-called Wireless Local Area Network or WLAN can be used as a radio communication device located in the interior of the vehicle. 7. Vinduesrude ifølge et af kravene 1 til 6, kendetegnet ved, atsignaler fra radiokommunikationsindretninger i henhold til GSM, UMTS og/eller LTE mobilradiostandarder er tilvejebragt som signaler, der kan få lov til at passere.Window pane according to one of claims 1 to 6, characterized in that signals from radio communication devices according to GSM, UMTS and / or LTE mobile radio standards are provided as signals which may be allowed to pass. 8. Køretøj med coatede vinduesruder ifølge et af kravene 1 til 7, kendetegnet ved, at vinduesruderne er anbragt fordelt over begge langsgående sider af køretøjet.Vehicle with coated window panes according to one of claims 1 to 7, characterized in that the window panes are arranged over both longitudinal sides of the vehicle. 9. Køretøj ifølge krav 8, kendetegnet ved, at køretøjet er udført som skinnekøretøj, især et tog eller en sporvogn.Vehicle according to claim 8, characterized in that the vehicle is designed as a rail vehicle, in particular a train or a tram.
DK16782206.3T 2015-10-16 2016-10-11 LEADING COATET WINDOW PANEL, ESPECIALLY FOR SKIN VEHICLES DK3326235T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50879/2015A AT517932B1 (en) 2015-10-16 2015-10-16 Conductively coated window pane, in particular for rail vehicles
PCT/EP2016/074327 WO2017064054A1 (en) 2015-10-16 2016-10-11 Conductively coated window pane, in particular for rail vehicles

Publications (1)

Publication Number Publication Date
DK3326235T3 true DK3326235T3 (en) 2019-01-14

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DK16782206.3T DK3326235T3 (en) 2015-10-16 2016-10-11 LEADING COATET WINDOW PANEL, ESPECIALLY FOR SKIN VEHICLES

Country Status (13)

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US (1) US11335997B2 (en)
EP (1) EP3326235B1 (en)
CN (1) CN108140926B (en)
AT (1) AT517932B1 (en)
DK (1) DK3326235T3 (en)
ES (1) ES2705412T3 (en)
HR (1) HRP20182153T1 (en)
PL (1) PL3326235T3 (en)
PT (1) PT3326235T (en)
RS (1) RS58228B1 (en)
SI (1) SI3326235T1 (en)
TR (1) TR201818874T4 (en)
WO (1) WO2017064054A1 (en)

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US10355721B2 (en) * 2017-05-01 2019-07-16 Palo Alto Research Center Incorporated Multi-band radio frequency transparency window in conductive film
KR102381621B1 (en) 2017-05-18 2022-04-01 삼성전자 주식회사 Glass structure including lens and receiver including lens
DE102018107559B4 (en) 2018-03-29 2021-03-04 Schollglas Holding- und Geschäftsführungsgesellschaft mbH Glass pane with structured conductive coating
US20220158336A1 (en) * 2019-03-29 2022-05-19 Autonetworks Technologies, Ltd. Wiring module
CN111129780B (en) * 2019-12-28 2021-11-23 华南理工大学 Structure for improving oblique incidence characteristic of glass material in 5G millimeter wave frequency band
FR3114586B1 (en) * 2020-09-29 2022-09-09 Saint Gobain Radio Frequency Transparent Solar Control Heated Glazing
CN113067162B (en) * 2021-03-30 2022-07-22 北京环境特性研究所 Frequency selective wave-transmitting structure for multi-band filtering
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WO2014166869A1 (en) 2013-04-09 2014-10-16 Siemens Aktiengesellschaft Metal-coated windowpane, particularly for rail vehicles

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Publication number Publication date
EP3326235B1 (en) 2018-10-10
SI3326235T1 (en) 2019-02-28
EP3326235A1 (en) 2018-05-30
AT517932B1 (en) 2018-03-15
AT517932A3 (en) 2018-01-15
TR201818874T4 (en) 2019-01-21
ES2705412T3 (en) 2019-03-25
AT517932A2 (en) 2017-05-15
PT3326235T (en) 2018-12-24
PL3326235T3 (en) 2019-04-30
US20180309196A1 (en) 2018-10-25
WO2017064054A1 (en) 2017-04-20
RS58228B1 (en) 2019-03-29
US11335997B2 (en) 2022-05-17
CN108140926A (en) 2018-06-08
CN108140926B (en) 2020-12-29
HRP20182153T1 (en) 2019-02-08

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